Exhibit 4.21 THIS WARRANT AND ANY SECURITIES ACQUIRED UPON THE EXERCISE OF THIS WARRANT HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES ACT"), OR ANY STATE SECURITIES LAWS AND NEITHER THIS WARRANT NOR SUCH...Warrant Agreement • March 28th, 2003 • Sirius Satellite Radio Inc • Radio broadcasting stations • New York
Contract Type FiledMarch 28th, 2003 Company Industry Jurisdiction
ARTICLE I DEFINITIONSSupplemental Indenture • March 28th, 2003 • Sirius Satellite Radio Inc • Radio broadcasting stations • New York
Contract Type FiledMarch 28th, 2003 Company Industry Jurisdiction
ARTICLE I DEFINITIONSThird Supplemental Indenture • March 28th, 2003 • Sirius Satellite Radio Inc • Radio broadcasting stations • New York
Contract Type FiledMarch 28th, 2003 Company Industry Jurisdiction
Exhibit 10.2 EMPLOYMENT AGREEMENT This EMPLOYMENT AGREEMENT, dated as of February 28, 2003 (this "Agreement"), between SIRIUS SATELLITE RADIO INC., a Delaware corporation (the "Company"), and Patrick L. Donnelly (the "Executive"). In consideration of...Employment Agreement • March 28th, 2003 • Sirius Satellite Radio Inc • Radio broadcasting stations • New York
Contract Type FiledMarch 28th, 2003 Company Industry Jurisdiction
RECITALSSupplemental Indenture • March 28th, 2003 • Sirius Satellite Radio Inc • Radio broadcasting stations • New York
Contract Type FiledMarch 28th, 2003 Company Industry Jurisdiction
RECITALSRights Agreement • March 28th, 2003 • Sirius Satellite Radio Inc • Radio broadcasting stations • Delaware
Contract Type FiledMarch 28th, 2003 Company Industry Jurisdiction